Ningbo Materials Institute SOFC module development has been fully enhanced

The battery stack is the core component of the solid oxide fuel cell (SOFC), and its performance directly determines whether the SOFC can be commercialized. After several years of research, the fuel cell R&D team of the Ningbo Institute of Materials Technology and Engineering of the Chinese Academy of Sciences has conquered the battery stack sealing technology, designed a battery cell with a special structure, and built the first domestic production experiment line with amplifying effect. , The monthly production capacity can reach 100kW. The related technology has applied for 8 invention patents, among which 3 items have been granted patent authorization (patent authorization number: ZL200710069012.X, ZL200810061478.X, ZL 200910095328.5), and PCT patent application item 1 (PCT/CN2011/070472). ).

At the same time as technology development, the research and development team at Ningbo Materials Research Institute has conducted in-depth studies on the key factors affecting the performance of the reactor and its laws. Based on the research results, it has proposed methods and measures for improving the performance of the reactor by contacting the interface, and the performance and synthesis of the reactor. The quality has been significantly improved, and related results were published in the Fuel Cell Journal (Fuel Cel-ls, 11(3)2011:445-450; Fuel Cells, 12(1)2012:24-31; Fuel Cells, 12(6) ) 2012:1085-1094; Journal of Power Sources).

Through the above-mentioned research, the battery stack developed by Ningbo Material Research began to be sold globally in 2011. In 2012, the sales volume exceeded 1 million, becoming the first Chinese SOFC battery stack supplier () in the field of solid oxide fuel cells. Therefore, Ningbo Institute of Materials obtained the 2012 best technology award. Through the drive of sales in the past two years, Ningbo Materials has achieved an overall improvement in the field of SOFC battery stacks. The NIMTE-A-Stack-301 standard 30-cell stack developed by Ningbo Materials has an operating power ≥750W@(0.75V, F≥60%) at an operating temperature of 750°C and an attenuation rate of ≤2%/1000h under operating conditions. Volume power density ≥ 1000W/L. NIMTE-A-Stack-601 is a standard 60-cell stack. Operating temperature is 750°C, operating power is ≥1500W@(0.75V, F≥60%), attenuation rate is ≤2%/1000h, and volume power density is also ≥1000W. /L.

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